How to Calculate Perimeters
This video explains how to calculate the perimeter of various 2D shapes.
This video explains how to calculate the perimeter of various 2D shapes.
The force that acts across the air gaps between magnets is the same force that creates wonders such as the Aurora Borealis. In fact, magnetic effects pervade our lives in myriad ways, from electric motors to medical imaging and computer memory. In this chapter, we introduce magnets and learn how they work and how magnetic fields and electric currents interact.
Introduction to magnetism: Wikipedia article that provides an overview of the concept.
This is a short tutorial on how to define and measure the perimeter of shapes
This online interactive lesson discusses what reflections are and provides examples of reflections.
This video will look at rotation. Rotation involves turning a shape around a set point.
This online lesson explains what rotations are.
This online lesson explores the concept of translations.